Knoxville Weather Forecast

    • 76
    • 91

    Slight Chance Thunderstorms

    • 72
    • 93

    Mostly Sunny

    • 65
    • 88

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 67
    • 86

    Chance Rain Showers

Today 26 Jul Knox

Patchy fog in the morning. Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 111 in the afternoon.

Tonight 26 Jul Knox

Partly cloudy. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Knoxville Temperature Statistics

July Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 23 July, 2026

    53.6 °F

  • Average July

    75.8 °F

  • Highest 18 July, 2026

    91.8 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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